Network Basics for Hackers
Every hacker needs to know networking fundamentals. This category covers IP addressing, subnets, ports, protocols (TCP, UDP, ICMP), DNS, routing, packet analysis, and the OSI model—all from a hacker’s perspective. Understand how data flows through networks and how attackers intercept, manipulate, and exploit it. you may want to review this material before beginning or come back here when you have questions.
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Network Basics for Hackers, Part 01: IP Addresses, Ports, NAT, and DHCP
With our dramatic growth over the last year, we have added many new aspiring hackers who are still lacking in the basics of network and networking. In addition, with the new White Hat certifications, the exam requires some basic networking skills and knowledge to pass. As a result, I decided
Network Basics for Hackers, Part 02: TCP/IP
In the first part of this series, I introduced you to the basics of networking including IP addresses, ports, NAT, and DHCP. In this lesson, I want to introduce you to the basics of TCP/IP, i.e., Transmission Control Protocol (TCP) and Internet Protocol (IP). These are the most common protocols
Network Basics for Hackers, Part 03: Subnetting, Network Masks, and CIDR Basics
Welcome back, my aspiring cyber warriors! In this series, we are exploring networks of all kinds and how to break them. In this tutorial we will examine subnetting and CIDR notation. To begin, let’s state the obvious. First, to become a network engineer or network security engineer you
Network Basics for Hackers, Part 04: Address Resolution Protocol or ARP
Welcome back, my aspiring cyber warriors! Understanding the many network protocols can enhance your ability to gain information and access to your target. Address Resolution Protocol (or ARP as it commonly known) is used on Ethernet networks to assign IP addresses to globally unique MAC addresses. In this way, when
Network Basics for Hackers, Part 05: Domain Name Service (DNS) and BIND. How it Works and How it Breaks
Welcome back, my aspiring cyber warriors! The Domain Name System or DNS is one of those network protocols that makes the world go round. Without it, we would need to remember innumerable IP addresses just to navigate to our favorite web sites. Imagine trying to remember the IPv4 (32-bit) addresses
Network Basics for Hackers, Part 06: Simple Mail Transport Protocol (SMTP)
Welcome back, my aspiring cyberwarriors! In this series, Network Basics for Hackers, we explore the structure, operation and vulnerabilities of the major network protocols. In this way, the aspiring hacker/pentester/cyberwarrior will hopefully gain insight into not only it’s operation but also its vulnerabilities. In this segment of this series, we
Network Basics for Hackers, Part 07: Server Message Block (SMB) and Samba
Welcome back, my aspiring cyber warriors! This series is intended to provide the aspiring cyber warrior with all the information you need to function in cyber security from a network perspective, much like my “Linux Basics for Hackers” is for Linux. In this tutorial we will address Server
Network Basics for Hackers, Part 08: Simple Network Management Protocol (SNMP) Theory, Reconnaissance and Exp
Welcome back my aspiring cyber warriors! The Simple Network Management Protocol or SNMP is among the least understood protocols, yet so vitally important to the successful operation of your network. If an attacker can breach the SNMP, they may be able to unmask your encrypted VPN communication (see NSA’s ExtraBacon
Network Basics for Hackers! Networks–How they work, and how they can be broken
Did you love Linux Basics for Hackers? Then you will love this book! Once again, Master OTW–in his inimical style of making the complex appear simple–now addresses computer network and their protocols. There has never been a book quite like this! Master OTW breaks down each of the many
